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peterbilt 379 steer axle leaf spring

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by tj379, Mar 11, 2020.

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  1. Mar 11, 2020 #1
    tj379

    tj379 Light Load Member

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    i have a question regarding a driverside steer axle leaf spring on a 1988 379,i snapped one and got a new one to put in, i noticed that the new speing had 3 pieces of metal on top of it and the driverside broken spring had 1 piece of metal above it and 2 below it, but the passenger side has 3 above it like the new spring, should i just put it in as is or switch plates aroud?
     
    tj379, Mar 11, 2020
    tj379, Mar 11, 2020
    #1
    JDB95 Thanks this.
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  3. Mar 11, 2020 #2
    tj379

    tj379 Light Load Member

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    26D6B2B5-0BF4-4A49-951B-9463E406C669.jpeg 26D6B2B5-0BF4-4A49-951B-9463E406C669.jpeg
     
    tj379, Mar 11, 2020
    tj379, Mar 11, 2020
    #2
  4. Mar 11, 2020 #3
    tj379

    tj379 Light Load Member

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    8BC843F7-4391-4EBC-A718-E48CC3752EBF.jpeg
     
    tj379, Mar 11, 2020
    tj379, Mar 11, 2020
    #3
  5. Mar 11, 2020 #4
    tj379

    tj379 Light Load Member

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    7A587FB7-299F-4015-8262-FB7580EE75EE.jpeg
     
    tj379, Mar 11, 2020
    tj379, Mar 11, 2020
    #4
  7. Mar 11, 2020 #5
    Goodysnap

    Goodysnap Road Train Member

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    Your other 2 plates appear to be on the bottom.

    Maybe someone did some custom leveling?

    I'd be changing the springs out for a balanced pair.......
     
    Goodysnap, Mar 11, 2020
    Goodysnap, Mar 11, 2020
    #5
    PE_T, mslashbar, swaan and 6 others Thank this.
  8. Mar 11, 2020 #6
    tj379

    tj379 Light Load Member

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    yes there are on the bottom on 1 side , agreed they shoukd be replaced in pairs but could only get ahold of one at the moment,if i put my new spring in it will match the other side, iv just herd of alighnment shops sometimes doing things like this for road curvature
     
    tj379, Mar 11, 2020
    tj379, Mar 11, 2020
    #6
  9. Mar 11, 2020 #7
    Goodysnap

    Goodysnap Road Train Member

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    I would put the spring in as it is to match the other side with the blocks on top. This is the correct Installation.
     
    Goodysnap, Mar 11, 2020
    Goodysnap, Mar 11, 2020
    #7
    Dino soar, Rideandrepair and tj379 Thank this.
  10. Mar 11, 2020 #8
    tj379

    tj379 Light Load Member

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    ya i think so to , just wanted second opinion , thanks for the help goodysnap!
     
    tj379, Mar 11, 2020
    tj379, Mar 11, 2020
    #8
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  11. Mar 11, 2020 #9
    Deere hunter

    Deere hunter Road Train Member

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    All that does is make your stop closer to the frame doesn’t participate in any of the spring action!
     
    Deere hunter, Mar 11, 2020
    Deere hunter, Mar 11, 2020
    #9
    tj379 Thanks this.
  12. Mar 11, 2020 #10
    JDB95

    JDB95 Bobtail Member

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    Yes aligment shops will try to compensate for the road crown, I would put it on as is an observe how it sits and drives. Ultimately though it should go to an alignment shop.
     
    JDB95, Mar 11, 2020
    JDB95, Mar 11, 2020
    #10
    tj379 Thanks this.
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